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sparc: Rewrite everything

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It's impossible to call between v8 and v9 ABIs, because of the stack bias
in the v9 ABI.  So let's not pretend it's just not implemented yet.  Split
the v9 code out to a separate file.

The register windows prevent ffi_call from setting up the entire stack
frame the assembly, but we needn't make an indirect call back to prep_args.
This commit is contained in:
Richard Henderson
2014-11-12 09:35:21 +01:00
parent 5d7b544505
commit 2b27890ba7
8 changed files with 1030 additions and 811 deletions
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src/sparc/internal.h
+18
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@@ -0,0 +1,18 @@
#define SPARC_RET_VOID 0
#define SPARC_RET_STRUCT 1
#define SPARC_RET_FLOAT 2
#define SPARC_RET_DOUBLE 3
#define SPARC_RET_UINT8 4
#define SPARC_RET_SINT8 5
#define SPARC_RET_UINT16 6
#define SPARC_RET_SINT16 7
#define SPARC_RET_INT64 8
#define SPARC_RET_UINT32 9
/* These two are only used for V9. */
#define SPARC_RET_SINT32 10
#define SPARC_RET_LDOUBLE 11
#define SPARC_FLAG_RET_MASK 15
#define SPARC_FLAG_RET_IN_MEM 32
#define SPARC_FLAG_FP_ARGS 64